Data
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Zentralschweizer Jugendsinfonieorchester ZJSO
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Rima Entertainment AG
- Neo Kultur GmbH
- Festival Strings Lucerne - Daniel Dodds